
export function toMoney(num){
        num += ''
          num = num.replace(/[^0-9|\.]/g, '') //清除字符串中的非数字非.字符
          if(/^0+/) //清除字符串开头的0
               num = num.replace(/^0+/, '')
            if(!/\./.test(num)) //为整数字符串在末尾添加.00
                num += '.00'
           if(/^\./.test(num)) //字符以.开头时,在开头添加0
                num = '0' + num
          num += '00'        //在字符串末尾补零
        num = num.match(/\d+\.\d{2}/)[0]
        return num
}
